<template>
  <div>
    <div class="operation">
      <el-button type="primary" plain @click="handleAdd">新增</el-button>
      <el-button type="danger" plain @click="delBatch">批量删除</el-button>
    </div>

    <div class="table">
      <el-table :data="tableData" stripe  @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center"></el-table-column>
        <el-table-column prop="tid" label="序号" width="80" align="center" sortable></el-table-column>
<!--        <el-table-column prop="description" label="问题描述" show-overflow-tooltip></el-table-column>-->
        <el-table-column prop="description" label="内容" show-overflow-tooltip>
          <template v-slot="scope">
            <el-button type="success" size="mini" @click="viewDataInit(scope.row.description)">点击查看</el-button>
          </template>
        </el-table-column>
        <el-table-column prop="sort" label="题号"></el-table-column>
        <el-table-column prop="type" label="类型"></el-table-column>
        <el-table-column label="操作" width="180" align="center">
          <template v-slot="scope">
            <el-button plain type="primary" @click="handleEdit(scope.row)" size="mini">编辑</el-button>
            <el-button plain type="danger" size="mini" @click=del(scope.row.tid)>删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <div class="pagination">
        <el-pagination
            background
            @current-change="handleCurrentChange"
            :current-page="pageNum"
            :page-sizes="[5, 10, 20]"
            :page-size="pageSize"
            layout="total, prev, pager, next"
            :total="total">
        </el-pagination>
      </div>
    </div>


    <el-dialog title="心理信息" :visible.sync="fromVisible" width="55%" :close-on-click-modal="false" destroy-on-close>
      <el-form label-width="100px" style="padding-right: 50px" :model="form" :rules="rules" ref="formRef">
        <el-form-item prop="Sort" label="问题题号">
          <el-input v-model="form.sort" autocomplete="off" placeholder="请输入问题题号"></el-input>
        </el-form-item>
        <el-form-item prop="Type" label="问题类型">
          <el-input v-model="form.type" autocomplete="off" placeholder="请输入问题类型"></el-input>
        </el-form-item>
        <el-form-item prop="description" label="问题描述">
<!--          <el-input v-model="form.description" autocomplete="off" placeholder="请输入课程介绍"></el-input>-->
          <div id="editor"></div>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="fromVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>

    <el-dialog title="课程内容" :visible.sync="editorVisible" width="50%" :close-on-click-modal="false" destroy-on-close>
      <div v-html="viewData" class="w-e-text w-e-text-container"></div>
    </el-dialog>

  </div>
</template>

<script>
import E from 'wangeditor'
export default {
  name: "Course",
  data() {
    return {
      editor: null,
      tableData: [],  // 所有的数据
      pageNum: 1,   // 当前的页码
      pageSize: 10,  // 每页显示的个数
      total: 0,
      fromVisible: false,
      editorVisible: false,
      form: {},
      user: JSON.parse(localStorage.getItem('xm-user') || '{}'),
      rules: {
        // courseName: [
        //   {required: true, message: '请输入课程名称', trigger: 'blur'},
        // ],
        // credits: [
        //   {required: true, message: '请输入学分', trigger: 'blur'},
        // ],
        // courseTime: [
        //   {required: true, message: '请输入课程时间', trigger: 'blur'},
        // ],
        // courseContent: [
        //   {required: true, message: '请输入课程介绍', trigger: 'blur'},
        // ],
      },
      ids: [],
      viewData: null
    }
  },
  created() {
    this.load(1)
  },
  methods: {
    initWangEditor(description) {
      this.$nextTick(() => {
        this.editor = new E('#editor')
        this.editor.config.placeholder = '请输入内容'
        this.editor.config.uploadFileName = 'file'
        this.editor.config.uploadImgServer = 'http://localhost:9090/files/wang/upload'
        this.editor.create()
        setTimeout(() => {
          this.editor.txt.html(description)
        })
      })
    },
    viewDataInit(data) {
      this.viewData = data
      this.editorVisible = true
    },
    handleAdd() {   // 新增数据
      this.form = {}  // 新增数据的时候清空数据
      this.fromVisible = true   // 打开弹窗
      this.initWangEditor('')
    },
    handleEdit(row) {   // 编辑数据
      this.form = JSON.parse(JSON.stringify(row))  // 给form对象赋值  注意要深拷贝数据
      this.fromVisible = true   // 打开弹窗
      this.initWangEditor(this.form.description || '')
    },
    save() {   // 保存按钮触发的逻辑  它会触发新增或者更新
      this.$refs.formRef.validate((valid) => {
        if (valid) {
          this.form.description = this.editor.txt.html()
          this.$request({
            url: this.form.tid ? '/api/question/update' : '/api/question/add',
            method: this.form.tid ? 'PUT' : 'POST',
            data: this.form
          }).then(res => {
            if (res.code === '200') {  // 表示成功保存
              this.$message.success('保存成功')
              this.load(1)
              this.fromVisible = false
            } else {
              this.$message.error(res.msg)  // 弹出错误的信息
            }
          })
        }
      })
    },
    del(tid) {   // 单个删除
      this.$confirm('您确定删除吗？', '确认删除', {type: "warning"}).then(response => {
        this.$request.delete('/api/question/delete/' + tid).then(res => {
          if (res.code === '200') {   // 表示操作成功
            this.$message.success('操作成功')
            this.load(1)
          } else {
            this.$message.error(res.msg)  // 弹出错误的信息
          }
        })
      }).catch(() => {
      })
    },
    handleSelectionChange(rows) {   // 当前选中的所有的行数据
      this.ids = rows.map(v => v.tid)   //  [1,2]
    },
    delBatch() {   // 批量删除
      if (!this.ids.length) {
        this.$message.warning('请选择数据')
        return
      }
      this.$confirm('您确定批量删除这些数据吗？', '确认删除', {type: "warning"}).then(response => {
        this.$request.delete('/api/question/delete/batch', {data: this.ids}).then(res => {
          if (res.code === '200') {   // 表示操作成功
            this.$message.success('操作成功')
            this.load(1)
          } else {
            this.$message.error(res.msg)  // 弹出错误的信息
          }
        })
      }).catch(() => {
      })
    },
    load(pageNum) {  // 分页查询
      if (pageNum) this.pageNum = pageNum
      this.$request.get('/api/question/selectPage', {
        params: {
          pageNum: this.pageNum,
          pageSize: this.pageSize,
        }
      }).then(res => {
        this.tableData = res.data.records
        this.total = res.data.total
      })
    },
    reset() {
      this.load(1)
    },
    handleCurrentChange(pageNum) {
      this.load(pageNum)
    },
  }
}
</script>

<style scoped>

</style>
